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Extension of Mohr-coulomb model into state dependent softening of sand and its application in large deformation analysis

Extension of Mohr-coulomb model into state dependent softening of sand and its application in large deformation analysis
Extension of Mohr-coulomb model into state dependent softening of sand and its application in large deformation analysis

State transformation is common in soil shearing problem and causes much difficulty in soil description in numerical simulation. For characterizing the state transformation of sand, dilatancy angle and friction angle are linked with soil state parameter, i.e. the difference between current void ratio and void ratio at critical state. Further, state dependent dilatancy angle and friction angle are introduced into classical MC model. The new model shows robust stability in large deformation analysis and offers prediction matching the softening/hardening behavior of sand in laboratory tests, as well as the penetration resistance of spudcan into soil.

Critical state, Dilatancy angle, Harden, Large deformation analysis, Soften
1866-8755
583-591
Springer Verlag
Li, Xu
b7c3b09c-c497-4ae2-8444-ec2e65308121
Hu, Yuxia
2b988c6d-0d30-4465-8266-3fd8b329662a
White, David
a986033d-d26d-4419-a3f3-20dc54efce93
Li, Xu
b7c3b09c-c497-4ae2-8444-ec2e65308121
Hu, Yuxia
2b988c6d-0d30-4465-8266-3fd8b329662a
White, David
a986033d-d26d-4419-a3f3-20dc54efce93

Li, Xu, Hu, Yuxia and White, David (2013) Extension of Mohr-coulomb model into state dependent softening of sand and its application in large deformation analysis. In Constitutive Modeling of Geomaterials: Advances and New Applications. Springer Verlag. pp. 583-591 . (doi:10.1007/978-3-642-32814-5_79).

Record type: Conference or Workshop Item (Paper)

Abstract

State transformation is common in soil shearing problem and causes much difficulty in soil description in numerical simulation. For characterizing the state transformation of sand, dilatancy angle and friction angle are linked with soil state parameter, i.e. the difference between current void ratio and void ratio at critical state. Further, state dependent dilatancy angle and friction angle are introduced into classical MC model. The new model shows robust stability in large deformation analysis and offers prediction matching the softening/hardening behavior of sand in laboratory tests, as well as the penetration resistance of spudcan into soil.

Full text not available from this repository.

More information

Published date: 2013
Keywords: Critical state, Dilatancy angle, Harden, Large deformation analysis, Soften

Identifiers

Local EPrints ID: 419747
URI: https://eprints.soton.ac.uk/id/eprint/419747
ISSN: 1866-8755
PURE UUID: 0f7f4d4c-e8be-4148-8f3f-bfa2a2cd3331
ORCID for David White: ORCID iD orcid.org/0000-0002-2968-582X

Catalogue record

Date deposited: 20 Apr 2018 16:30
Last modified: 20 Jul 2019 00:25

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